Mystic Lake Weather Forecast

    • 67
    • 90

    Chance Thunderstorms

    • 62
    • 86

    Rain Showers Likely

    • 61
    • 84

    Chance Rain Showers

    • 58
    • 82

    Partly Sunny

    • 54
    • 81

    Partly Sunny

    • 55
    • 79

    Partly Sunny

Today 1 Sep Clare

Mostly sunny. Patchy fog in the morning. Highs in the upper 80s. Light Winds becoming southwest 5 to 10 Mph with Gusts to around 20 Mph in the afternoon. Heat index Readings 91 to 96.

Tonight 1 Sep Clare

Partly cloudy. A 20 percent chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds around 10 Mph. Gusts up to 20 Mph in the evening.

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Mystic Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

  • Lowest

  • Average September

  • Highest

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

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  • Average Low 2021–2026

    39.4 °F
  • Average 2021–2026

    48.9 °F
  • Average High 2021–2026

    58.4 °F
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